Demonstrate safety procedures. Determine how to diagnose steering and suspension; diagnose electrical concerns; complete headlamp and fog/driving assemblies and repairs; demonstrate self-grounding procedures for handling electrical components. Determine diagnosis, inspection and service needs for brake hydraulic components; examine components of heating and air conditioning systems; determine the inspection, service and repair needs for collision damaged cooling system components; distinguish between under car components and systems. Determine the diagnosis, inspection and service requirements of active and passive restraint systems.